Cited by 350Forensic and Genetic ResearchGenetic diversity and population structureRace, Genetics, and Society

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Genetic Evidence for Recent Population Mixture in India

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Moorjani, Priya, Thangaraj, Kumarasamy, Patterson, Nick, Lipson, Mark, Loh, Po-Ru, Govindaraj, Periyasamy, Berger, Bonnie, Reich, David, Singh, Lalji·2013·The American Journal of Human Genetics

Abstract

Most Indian groups descend from a mixture of two genetically divergent populations: Ancestral North Indians (ANI) related to Central Asians, Middle Easterners, Caucasians, and Europeans; and Ancestral South Indians (ASI) not closely related to groups outside the subcontinent. The date of mixture is unknown but has implications for understanding Indian history. We report genome-wide data from 73 groups from the Indian subcontinent and analyze linkage disequilibrium to estimate ANI-ASI mixture dates ranging from about 1,900 to 4,200 years ago. In a subset of groups, 100% of the mixture is consistent with having occurred during this period. These results show that India experienced a demographic transformation several thousand years ago, from a region in which major population mixture was common to one in which mixture even between closely related groups became rare because of a shift to endogamy.

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Metadata

Authors
Moorjani, P., Thangaraj, K., Patterson, N., Lipson, M., Loh, P.-R., Govindaraj, P., Berger, B., Reich, D., & Singh, L.
Affiliations
  • Broad Institute (US)
  • Massachusetts Institute of Technology (US)
  • Centre for Cellular and Molecular Biology (IN)
Corresponding author
Moorjani, Priya
Venue
The American Journal of Human Genetics
Publisher
Elsevier BV
Published
2013-09
Volume
93
Issue
3
Pages
422-438
ISSN
0002-9297 (ISSN-L)
OpenAlex
W2110266900
Cited by
350
References
49
Citations by year
2026: 36 · 2025: 24 · 2024: 30 · 2023: 48 · 2022: 13 · 2021: 26 · 2020: 20 · 2019: 24 · 2018: 29 · 2017: 27 · 2016: 28 · 2015: 26 · 2014: 18
FWCI
13.82
Type
journal article
Language
en
Open access
Locations
  • The American Journal of Human Genetics (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Human Genome Research Institute (R01HG006399)
  • National Institute of General Medical Sciences (GM100233, R01GM100233)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
  • Social Sciences › Anthropology › Race, Genetics, and Society
Keywords
linkage disequilibrium, endogamy, demographic change, Indian subcontinent
MeSH terms
Gene Pool, Genetics, Population, Geography, Humans, India, Linguistics, Models, Genetic, Time Factors, Linkage Disequilibrium, Principal Component Analysis, White People

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